Question to the Department for Energy Security & Net Zero:

To ask the Secretary of State for Energy Security and Net Zero, what estimate she has made of the proportion of households with solar P-V panels installed (a) as of 4 September 2023, (b) in July 2013 and (c) in July 2011.

The number of solar PV schemes installed in households at the end of July 2023 accounted for around 4.3 percent of all UK households.

In July 2013, domestic solar installations accounted for 1.7 percent of all UK households.

In July 2011, domestic solar installations accounted for 0.3 percent of all UK households.